General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 564411 Semtech Corporation Privately-Owned Business 200 Flynn Road Camarillo, CA 93012 805-480-2037 cammann@semtech.com Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 835415 Former 652 Mitchell Road Facility Remediation System Ventura 4 Service/Commercial Site, NEC Owner and Operator 05/26/2017 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 564412 Charles Ammann Person Legally Responsible Official 05/26/2017 null null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 413416 Enrollee - WDR 4 4A568601103 Enrollee - WDR for Semtech Corporation Active WDRNONMUNIPRCS R4-2014-0187 06/18/2018 null Discharger 05/26/2017 null Violations within the past calendar year Violation ID Occurrence Date Violation Type Violation Description Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked To Enf. Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status